diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 3a097b4..d39353e 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -29,7 +29,7 @@ jobs:
       uses: actions-rs/tarpaulin@v0.1
       with:
         version: '0.15.0'
-        args: '-- --all-features --test-threads 1'
+        args: --all-features --test-threads 1
 
     - name: Upload to codecov.io
       uses: codecov/codecov-action@v2